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What is the overflow point of the millis() function?

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What is the overflow point of the millis() function?

(a) 10 day

(b) 30 days

(c) 50 days

(d) 70 days

I have been asked this question by my school teacher while I was bunking the class.

My question is taken from Time Functions in division Arduino Programming of Arduino

1 Answer

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Right option is (c) 50 days

To explain I would say: The millis() function gives the up-time or the time since the Arduino started to run the program. The overflow point of this function is 50 days. This means that the value returned by this function will return to 0 after 50 days.

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